ssh via a jump host
if you need to go though a jump host to get to another server when using SSH, you...
creating a certifcates
# create CNF file vi server.domain.cnf # generate key file openssl genrsa -out server.domain.key 2048 # generate csr...
PostgreSQL Notes
install postgres dnf module enable postgresql:15dnf install postgresql-server init database (in /data instead of default location) initdb -D...
Installing just security updates with yum
Install just the security patches, but not kernel or java patches yum update –security –exclude=kernel* –exclude=java*
Using GitHub with SSH Keys
Generate SSH Key on your system$ ssh-keygen -t ed25519 -C “your_email@example.com” View you new SSH Key$ ~/.ssh/id_ed25519.pub Open...
Yum Security Only Update
To update your system with YUM but only install the security patches, use the following: # yum update-minimal...
Splunk Notes
To configure the Splunk Forwarder from the command line. # splunk add forward-server 192.168.1.176:9997# splunk add monitor /var/log/messages#...
Podman Command to Generate Service File
podman generate systemd [options] container|pod http://docs.podman.io/en/latest/markdown/podman-generate-systemd.1.html
Podman requested IP address X is not available in range
Check for a ‘Dangling file’ in /var/lib/cni/networks/podman